/
trʌɪˈbjuːn(ə)l, 
trɪ-/
n.
   - Brit. an official board established to settle certain types of dispute.
 - a court of justice.
 - a seat for a judge or judges.
 
Etymology
ME: from OFr., or from L. tribunal ‘raised platform provided for magistrate's seats’, from tribunus (see tribune1).